{"issuer":"signofficially.com","seal":{"algorithm":"Ed25519","key_id":"45b129351afe5a4d","public_key":"0UGShOY7QULu2N5jj9aC3_Vv7d2jx39n1BrakPWOfrc","encoding":"base64url","how_to_verify":"Each sealed record is canonical JSON (keys sorted at every level, no spaces). Verify the Ed25519 signature over the exact record bytes with this public key."},"pades":{"subject":"Sign Officially Document Seal","issuer":"Sign Officially Development CA","certificate_sha256":"4b0c452504d7754672324e19c94c186e003d6e6bf1504a3c1d39acad3215862c","valid_from":"2026-10-03","valid_to":"2031-10-02"}}